The QHM-4R-9.5G SQ from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 1 to 18 GHz, Average Power 2 W, Insertion Loss 2.5 dB, Isolation 15 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHM-4R-9.5G SQ can be seen below.